1 // SPDX-License-Identifier: GPL-2.0+
3 * Copyright (C) 2011, Texas Instruments, Incorporated - http://www.ti.com/
4 * Copyright (C) 2017, Grinn - http://grinn-global.com/
8 #include <asm/arch/chilisom.h>
9 #include <asm/arch/cpu.h>
10 #include <asm/arch/hardware.h>
11 #include <asm/arch/omap.h>
12 #include <asm/arch/mem.h>
13 #include <asm/arch/mmc_host_def.h>
14 #include <asm/arch/mux.h>
15 #include <asm/arch/sys_proto.h>
19 #include <environment.h>
26 DECLARE_GLOBAL_DATA_PTR;
28 static __maybe_unused struct ctrl_dev *cdev =
29 (struct ctrl_dev *)CTRL_DEVICE_BASE;
31 #ifndef CONFIG_SKIP_LOWLEVEL_INIT
32 static struct module_pin_mux uart0_pin_mux[] = {
33 {OFFSET(uart0_rxd), (MODE(0) | PULLUP_EN | RXACTIVE)}, /* UART0_RXD */
34 {OFFSET(uart0_txd), (MODE(0) | PULLUDEN)}, /* UART0_TXD */
38 static struct module_pin_mux mmc0_pin_mux[] = {
39 {OFFSET(mmc0_dat3), (MODE(0) | RXACTIVE | PULLUP_EN)}, /* MMC0_DAT3 */
40 {OFFSET(mmc0_dat2), (MODE(0) | RXACTIVE | PULLUP_EN)}, /* MMC0_DAT2 */
41 {OFFSET(mmc0_dat1), (MODE(0) | RXACTIVE | PULLUP_EN)}, /* MMC0_DAT1 */
42 {OFFSET(mmc0_dat0), (MODE(0) | RXACTIVE | PULLUP_EN)}, /* MMC0_DAT0 */
43 {OFFSET(mmc0_clk), (MODE(0) | RXACTIVE | PULLUP_EN)}, /* MMC0_CLK */
44 {OFFSET(mmc0_cmd), (MODE(0) | RXACTIVE | PULLUP_EN)}, /* MMC0_CMD */
48 static struct module_pin_mux rmii1_pin_mux[] = {
49 {OFFSET(mii1_crs), MODE(1) | RXACTIVE}, /* RMII1_CRS */
50 {OFFSET(mii1_rxerr), MODE(1) | RXACTIVE}, /* RMII1_RXERR */
51 {OFFSET(mii1_txen), MODE(1)}, /* RMII1_TXEN */
52 {OFFSET(mii1_txd1), MODE(1)}, /* RMII1_TXD1 */
53 {OFFSET(mii1_txd0), MODE(1)}, /* RMII1_TXD0 */
54 {OFFSET(mii1_rxd1), MODE(1) | RXACTIVE}, /* RMII1_RXD1 */
55 {OFFSET(mii1_rxd0), MODE(1) | RXACTIVE}, /* RMII1_RXD0 */
56 {OFFSET(mdio_data), MODE(0) | RXACTIVE | PULLUP_EN}, /* MDIO_DATA */
57 {OFFSET(mdio_clk), MODE(0) | PULLUP_EN}, /* MDIO_CLK */
58 {OFFSET(rmii1_refclk), MODE(0) | RXACTIVE}, /* RMII1_REFCLK */
62 static void enable_board_pin_mux(void)
64 chilisom_enable_pin_mux();
66 /* chiliboard pinmux */
67 configure_module_pin_mux(rmii1_pin_mux);
68 configure_module_pin_mux(mmc0_pin_mux);
70 #endif /* CONFIG_SKIP_LOWLEVEL_INIT */
72 #ifndef CONFIG_DM_SERIAL
73 struct serial_device *default_serial_console(void)
75 return &eserial1_device;
79 #ifndef CONFIG_SKIP_LOWLEVEL_INIT
80 void set_uart_mux_conf(void)
82 configure_module_pin_mux(uart0_pin_mux);
85 void set_mux_conf_regs(void)
87 enable_board_pin_mux();
90 void am33xx_spl_board_init(void)
92 chilisom_spl_board_init();
97 * Basic board specific setup. Pinmux has been handled already.
101 #if defined(CONFIG_HW_WATCHDOG)
105 gd->bd->bi_boot_params = CONFIG_SYS_SDRAM_BASE + 0x100;
111 #ifdef CONFIG_BOARD_LATE_INIT
112 int board_late_init(void)
114 #if !defined(CONFIG_SPL_BUILD)
116 uint32_t mac_hi, mac_lo;
118 /* try reading mac address from efuse */
119 mac_lo = readl(&cdev->macid0l);
120 mac_hi = readl(&cdev->macid0h);
121 mac_addr[0] = mac_hi & 0xFF;
122 mac_addr[1] = (mac_hi & 0xFF00) >> 8;
123 mac_addr[2] = (mac_hi & 0xFF0000) >> 16;
124 mac_addr[3] = (mac_hi & 0xFF000000) >> 24;
125 mac_addr[4] = mac_lo & 0xFF;
126 mac_addr[5] = (mac_lo & 0xFF00) >> 8;
128 if (!env_get("ethaddr")) {
129 printf("<ethaddr> not set. Validating first E-fuse MAC\n");
131 if (is_valid_ethaddr(mac_addr))
132 eth_env_set_enetaddr("ethaddr", mac_addr);
135 mac_lo = readl(&cdev->macid1l);
136 mac_hi = readl(&cdev->macid1h);
137 mac_addr[0] = mac_hi & 0xFF;
138 mac_addr[1] = (mac_hi & 0xFF00) >> 8;
139 mac_addr[2] = (mac_hi & 0xFF0000) >> 16;
140 mac_addr[3] = (mac_hi & 0xFF000000) >> 24;
141 mac_addr[4] = mac_lo & 0xFF;
142 mac_addr[5] = (mac_lo & 0xFF00) >> 8;
144 if (!env_get("eth1addr")) {
145 if (is_valid_ethaddr(mac_addr))
146 eth_env_set_enetaddr("eth1addr", mac_addr);
154 #if !defined(CONFIG_DM_ETH) && defined(CONFIG_DRIVER_TI_CPSW) && \
155 !defined(CONFIG_SPL_BUILD)
156 static void cpsw_control(int enabled)
158 /* VTP can be added here */
163 static struct cpsw_slave_data cpsw_slaves[] = {
165 .slave_reg_ofs = 0x208,
166 .sliver_reg_ofs = 0xd80,
171 static struct cpsw_platform_data cpsw_data = {
172 .mdio_base = CPSW_MDIO_BASE,
173 .cpsw_base = CPSW_BASE,
176 .cpdma_reg_ofs = 0x800,
178 .slave_data = cpsw_slaves,
179 .ale_reg_ofs = 0xd00,
181 .host_port_reg_ofs = 0x108,
182 .hw_stats_reg_ofs = 0x900,
183 .bd_ram_ofs = 0x2000,
184 .mac_control = (1 << 5),
185 .control = cpsw_control,
187 .version = CPSW_CTRL_VERSION_2,
190 int board_eth_init(bd_t *bis)
194 writel(RMII_MODE_ENABLE | RMII_CHIPCKL_ENABLE, &cdev->miisel);
195 cpsw_slaves[0].phy_if = PHY_INTERFACE_MODE_RMII;
197 rv = cpsw_register(&cpsw_data);
199 printf("Error %d registering CPSW switch\n", rv);